13324675440 has 80 divisors (see below), whose sum is σ = 42638985216. Its totient is φ = 3438624000.

The previous prime is 13324675391. The next prime is 13324675447. The reversal of 13324675440 is 4457642331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13324675447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888036 + ... + 902915.

Almost surely, 2^13324675440 is an apocalyptic number.

13324675440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13324675440 is an abundant number, since it is smaller than the sum of its proper divisors (29314309776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13324675440 is a wasteful number, since it uses less digits than its factorization.

13324675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790998 (or 1790992 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The spelling of 13324675440 in words is "thirteen billion, three hundred twenty-four million, six hundred seventy-five thousand, four hundred forty".